Where does “kirjesalaisuus” come from?

kirjesalaisuus (Finnish) comes from Finnish salaisuus, from Finnish salainen, from Finnish sala, from Proto-Finno-Ugric *sala, from Proto-Uralic śala — elm.

kirjesalaisuus (Finnish): secrecy of correspondence

Definitions

  1. secrecy of correspondence

Ancestry of “kirjesalaisuus”, step by step

kirjesalaisuus traces back through two separate lines of ancestry.

via Finnish salaisuus

StepLanguageWordMeaning
1Finnishsalaisuussecret
2Finnishsalainensecret, clandestine; arcane
3FinnishsalaA secret
4Proto-Finno-Ugric*sala—
5Proto-Uralicśalaelm

via Finnish kirje

StepLanguageWordMeaning
1Finnishkirjeletter
2Finnishkirjabook; quire
3Proto-Finnickirjadecoration, carving, pattern
Every word from Proto-Uralic śala →Every word from Proto-Finno-Ugric *sala →Every word from Finnish sala →